Problem Display
PID: 177547 (2B1N3/5p1p/4PB2/2pP4/4kb1Q/K2p1p1p/5P2/6n1 w - - 0 1)

Grande, Joralf

Postsjakk, 1964

2B1N3/5p1p/4PB2/2pP4/4kb1Q/K2p1p1p/5P2/6n1

#3

8 + 9


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Bb7+
        • 2...Kc4
          • 3.Sd6#
        • 2...Kxe6
          • 3.Qg4#
    • 1...Kf5
      • 2.Qxh7+
        • 2...Kg4
          • 3.exf7#
          • 3.e7#
    • 1...fxe6
      • 2.Bxe6
        • threat
          • 3.Sd6#
          • 3.Qxh7#
  • Tries
    • 1.Bb7?
      • threat
        • 2.Sd6#
        • 2.Qxh7#
      • 1...d2
        • 2.Qxh7#
      • 1...h5
        • 2.Sd6#
      • 1...h6
        • 2.Sd6#
      • 1...Kf5!
    • 1.Qxf4+?
      • 1...Kxd5
        • 2.Bb7+
          • 2...Kxe6
            • 3.Qg4#
        • 2.Bd7
          • threat
            • 3.Sc7#
          • 2...c4
            • 3.Qe5#
            • 3.Qd4#
            • 3.Qf5#
        • 2.Qd6+
          • 2...Kc4
            • 3.Ba6#
          • 2...Ke4
            • 3.Qe5#
      • 1...Kxf4!
  • Keys
    • 1.Ba6!
      • threat
        • 2.Bc4
          • threat
            • 3.Sd6#
            • 3.Qxh7#
          • 2...Kf5
            • 3.Bxd3#
      • 1...Kxd5
        • 2.Bb7+
          • 2...Kc4
            • 3.Sd6#
          • 2...Kxe6
            • 3.Qg4#
      • 1...fxe6
        • 2.Qxh7+
          • 2...Kxd5
            • 3.Qb7#
      • 1...d2
        • 2.Bc4
          • threat
            • 3.Sd6#
            • 3.Qxh7#
          • 2...Kf5
            • 3.Bd3#
      • 1...c4
        • 2.Bxc4
          • threat
            • 3.Sd6#
            • 3.Qxh7#
          • 2...Kf5
            • 3.Bxd3#
      • 1...h5
        • 2.Bc4
          • threat
            • 3.Sd6#
          • 2...Kf5
            • 3.Bxd3#
      • 1...h6
        • 2.Bc4
          • threat
            • 3.Sd6#
          • 2...Kf5
            • 3.Bxd3#

FEATURES


NOT CLASSIFIED


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).